diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/scsi/sym53c8xx_2/sym_hipd.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/scsi/sym53c8xx_2/sym_hipd.c')
-rw-r--r-- | drivers/scsi/sym53c8xx_2/sym_hipd.c | 168 |
1 files changed, 19 insertions, 149 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index a7420ca..8260f04 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -40,6 +40,7 @@ #include <linux/slab.h> #include <asm/param.h> /* for timeouts in units of HZ */ +#include <scsi/scsi_dbg.h> #include "sym_glue.h" #include "sym_nvram.h" @@ -70,32 +71,12 @@ static void sym_printl_hex(u_char *p, int n) printf (".\n"); } -/* - * Print out the content of a SCSI message. - */ -static int sym_show_msg (u_char * msg) -{ - u_char i; - printf ("%x",*msg); - if (*msg==M_EXTENDED) { - for (i=1;i<8;i++) { - if (i-1>msg[1]) break; - printf ("-%x",msg[i]); - } - return (i+1); - } else if ((*msg & 0xf0) == 0x20) { - printf ("-%x",msg[1]); - return (2); - } - return (1); -} - static void sym_print_msg(struct sym_ccb *cp, char *label, u_char *msg) { sym_print_addr(cp->cmd, "%s: ", label); - sym_show_msg(msg); - printf(".\n"); + spi_print_msg(msg); + printf("\n"); } static void sym_print_nego_msg(struct sym_hcb *np, int target, char *label, u_char *msg) @@ -103,8 +84,8 @@ static void sym_print_nego_msg(struct sym_hcb *np, int target, char *label, u_ch struct sym_tcb *tp = &np->target[target]; dev_info(&tp->starget->dev, "%s: ", label); - sym_show_msg(msg); - printf(".\n"); + spi_print_msg(msg); + printf("\n"); } /* @@ -635,29 +616,6 @@ static __inline void sym_init_burst(struct sym_hcb *np, u_char bc) } } - -/* - * Print out the list of targets that have some flag disabled by user. - */ -static void sym_print_targets_flag(struct sym_hcb *np, int mask, char *msg) -{ - int cnt; - int i; - - for (cnt = 0, i = 0 ; i < SYM_CONF_MAX_TARGET ; i++) { - if (i == np->myaddr) - continue; - if (np->target[i].usrflags & mask) { - if (!cnt++) - printf("%s: %s disabled for targets", - sym_name(np), msg); - printf(" %d", i); - } - } - if (cnt) - printf(".\n"); -} - /* * Save initial settings of some IO registers. * Assumed to have been set by BIOS. @@ -962,7 +920,7 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru tp->usrflags |= (SYM_DISC_ENABLED | SYM_TAGS_ENABLED); tp->usrtags = SYM_SETUP_MAX_TAG; - sym_nvram_setup_target(np, i, nvram); + sym_nvram_setup_target(tp, i, nvram); if (!tp->usrtags) tp->usrflags &= ~SYM_TAGS_ENABLED; @@ -1005,13 +963,6 @@ static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, stru sym_name(np), np->rv_scntl3, np->rv_dmode, np->rv_dcntl, np->rv_ctest3, np->rv_ctest4, np->rv_ctest5); } - /* - * Let user be aware of targets that have some disable flags set. - */ - sym_print_targets_flag(np, SYM_SCAN_BOOT_DISABLED, "SCAN AT BOOT"); - if (sym_verbose) - sym_print_targets_flag(np, SYM_SCAN_LUNS_DISABLED, - "SCAN FOR LUNS"); return 0; } @@ -1405,7 +1356,6 @@ static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget, goal->iu = 0; goal->dt = 0; goal->qas = 0; - goal->period = 0; goal->offset = 0; return; } @@ -1465,7 +1415,8 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp * Many devices implement PPR in a buggy way, so only use it if we * really want to. */ - if (goal->iu || goal->dt || goal->qas || (goal->period < 0xa)) { + if (goal->offset && + (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) { nego = NS_PPR; } else if (spi_width(starget) != goal->width) { nego = NS_WIDE; @@ -1523,7 +1474,7 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp /* * Insert a job into the start queue. */ -void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp) +static void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp) { u_short qidx; @@ -3654,7 +3605,7 @@ static int sym_evaluate_dp(struct sym_hcb *np, struct sym_ccb *cp, u32 scr, int * If result is dp_sg = SYM_CONF_MAX_SG, then we are at the * end of the data. */ - tmp = scr_to_cpu(sym_goalp(cp)); + tmp = scr_to_cpu(cp->goalp); dp_sg = SYM_CONF_MAX_SG; if (dp_scr != tmp) dp_sg -= (tmp - 8 - (int)dp_scr) / (2*4); @@ -3761,7 +3712,7 @@ static void sym_modify_dp(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb * And our alchemy:) allows to easily calculate the data * script address we want to return for the next data phase. */ - dp_ret = cpu_to_scr(sym_goalp(cp)); + dp_ret = cpu_to_scr(cp->goalp); dp_ret = dp_ret - 8 - (SYM_CONF_MAX_SG - dp_sg) * (2*4); /* @@ -3857,7 +3808,7 @@ int sym_compute_residual(struct sym_hcb *np, struct sym_ccb *cp) * If all data has been transferred, * there is no residual. */ - if (cp->phys.head.lastp == sym_goalp(cp)) + if (cp->phys.head.lastp == cp->goalp) return resid; /* @@ -4664,30 +4615,7 @@ struct sym_ccb *sym_get_ccb (struct sym_hcb *np, struct scsi_cmnd *cmd, u_char t goto out; cp = sym_que_entry(qp, struct sym_ccb, link_ccbq); -#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING - /* - * If the LCB is not yet available and the LUN - * has been probed ok, try to allocate the LCB. - */ - if (!lp && sym_is_bit(tp->lun_map, ln)) { - lp = sym_alloc_lcb(np, tn, ln); - if (!lp) - goto out_free; - } -#endif - - /* - * If the LCB is not available here, then the - * logical unit is not yet discovered. For those - * ones only accept 1 SCSI IO per logical unit, - * since we cannot allow disconnections. - */ - if (!lp) { - if (!sym_is_bit(tp->busy0_map, ln)) - sym_set_bit(tp->busy0_map, ln); - else - goto out_free; - } else { + { /* * If we have been asked for a tagged command. */ @@ -4840,12 +4768,6 @@ void sym_free_ccb (struct sym_hcb *np, struct sym_ccb *cp) lp->head.resel_sa = cpu_to_scr(SCRIPTB_BA(np, resel_bad_lun)); } - /* - * Otherwise, we only accept 1 IO per LUN. - * Clear the bit that keeps track of this IO. - */ - else - sym_clr_bit(tp->busy0_map, cp->lun); /* * We donnot queue more than 1 ccb per target @@ -4997,20 +4919,7 @@ static void sym_init_tcb (struct sym_hcb *np, u_char tn) struct sym_lcb *sym_alloc_lcb (struct sym_hcb *np, u_char tn, u_char ln) { struct sym_tcb *tp = &np->target[tn]; - struct sym_lcb *lp = sym_lp(tp, ln); - - /* - * Already done, just return. - */ - if (lp) - return lp; - - /* - * Donnot allow LUN control block - * allocation for not probed LUNs. - */ - if (!sym_is_bit(tp->lun_map, ln)) - return NULL; + struct sym_lcb *lp = NULL; /* * Initialize the target control block if not yet. @@ -5082,13 +4991,7 @@ struct sym_lcb *sym_alloc_lcb (struct sym_hcb *np, u_char tn, u_char ln) lp->started_max = SYM_CONF_MAX_TASK; lp->started_limit = SYM_CONF_MAX_TASK; #endif - /* - * If we are busy, count the IO. - */ - if (sym_is_bit(tp->busy0_map, ln)) { - lp->busy_itl = 1; - sym_clr_bit(tp->busy0_map, ln); - } + fail: return lp; } @@ -5103,12 +5006,6 @@ static void sym_alloc_lcb_tags (struct sym_hcb *np, u_char tn, u_char ln) int i; /* - * If LCB not available, try to allocate it. - */ - if (!lp && !(lp = sym_alloc_lcb(np, tn, ln))) - goto fail; - - /* * Allocate the task table and and the tag allocation * circular buffer. We want both or none. */ @@ -5481,8 +5378,7 @@ finish: /* * Donnot start more than 1 command after an error. */ - if (lp) - sym_start_next_ccbs(np, lp, 1); + sym_start_next_ccbs(np, lp, 1); #endif } @@ -5521,17 +5417,11 @@ void sym_complete_ok (struct sym_hcb *np, struct sym_ccb *cp) lp = sym_lp(tp, cp->lun); /* - * Assume device discovered on first success. - */ - if (!lp) - sym_set_bit(tp->lun_map, cp->lun); - - /* * If all data have been transferred, given than no * extended error did occur, there is no residual. */ resid = 0; - if (cp->phys.head.lastp != sym_goalp(cp)) + if (cp->phys.head.lastp != cp->goalp) resid = sym_compute_residual(np, cp); /* @@ -5551,15 +5441,6 @@ if (resid) */ sym_set_cam_result_ok(cp, cmd, resid); -#ifdef SYM_OPT_SNIFF_INQUIRY - /* - * On standard INQUIRY response (EVPD and CmDt - * not set), sniff out device capabilities. - */ - if (cp->cdb_buf[0] == INQUIRY && !(cp->cdb_buf[1] & 0x3)) - sym_sniff_inquiry(np, cmd, resid); -#endif - #ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING /* * If max number of started ccbs had been reduced, @@ -5587,7 +5468,7 @@ if (resid) /* * Requeue a couple of awaiting scsi commands. */ - if (lp && !sym_que_empty(&lp->waiting_ccbq)) + if (!sym_que_empty(&lp->waiting_ccbq)) sym_start_next_ccbs(np, lp, 2); #endif /* @@ -5830,8 +5711,7 @@ void sym_hcb_free(struct sym_hcb *np) SYM_QUEHEAD *qp; struct sym_ccb *cp; struct sym_tcb *tp; - struct sym_lcb *lp; - int target, lun; + int target; if (np->scriptz0) sym_mfree_dma(np->scriptz0, np->scriptz_sz, "SCRIPTZ0"); @@ -5857,16 +5737,6 @@ void sym_hcb_free(struct sym_hcb *np) for (target = 0; target < SYM_CONF_MAX_TARGET ; target++) { tp = &np->target[target]; - for (lun = 0 ; lun < SYM_CONF_MAX_LUN ; lun++) { - lp = sym_lp(tp, lun); - if (!lp) - continue; - if (lp->itlq_tbl) - sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK*4, - "ITLQ_TBL"); - kfree(lp->cb_tags); - sym_mfree_dma(lp, sizeof(*lp), "LCB"); - } #if SYM_CONF_MAX_LUN > 1 kfree(tp->lunmp); #endif |